Rotary switch made of Bakelite with two-part housing with single input for surface mounting - both parts of the housing can be rotated 180 degrees. Housing and handle made of Bakelite. The housing is surface-mounted using two screw holes on the side. With spring mechanism. Cable entry on plaster.
Here in the version as an intermediate switch. An intermediate switch is necessary if a lamp is to be switched from more than two places. 2-way switches are used to switch a lamp from up to two places.